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Neural machine translation models are often biased toward the limited translation references seen during training. To amend this form of overfitting, in this paper we propose fine-tuning the models with a novel training objective based on…

Computation and Language · Computer Science 2021-06-07 Inigo Jauregi Unanue , Jacob Parnell , Massimo Piccardi

Translation into morphologically-rich languages challenges neural machine translation (NMT) models with extremely sparse vocabularies where atomic treatment of surface forms is unrealistic. This problem is typically addressed by either…

Computation and Language · Computer Science 2020-02-28 Duygu Ataman , Wilker Aziz , Alexandra Birch

We present a framework for machine translation evaluation using neural networks in a pairwise setting, where the goal is to select the better translation from a pair of hypotheses, given the reference translation. In this framework,…

Computation and Language · Computer Science 2017-10-06 Francisco Guzmán , Shafiq R. Joty , Lluís Màrquez , Preslav Nakov

There exists a token imbalance phenomenon in natural language as different tokens appear with different frequencies, which leads to different learning difficulties for tokens in Neural Machine Translation (NMT). The vanilla NMT model…

Computation and Language · Computer Science 2020-10-12 Shuhao Gu , Jinchao Zhang , Fandong Meng , Yang Feng , Wanying Xie , Jie Zhou , Dong Yu

This paper demonstrates that word sense disambiguation (WSD) can improve neural machine translation (NMT) by widening the source context considered when modeling the senses of potentially ambiguous words. We first introduce three adaptive…

Computation and Language · Computer Science 2018-10-08 Xiao Pu , Nikolaos Pappas , James Henderson , Andrei Popescu-Belis

Neural machine translation (NMT) approaches have improved the state of the art in many machine translation settings over the last couple of years, but they require large amounts of training data to produce sensible output. We demonstrate…

Computation and Language · Computer Science 2017-08-22 Robert Östling , Jörg Tiedemann

Dealing with the complex word forms in morphologically rich languages is an open problem in language processing, and is particularly important in translation. In contrast to most modern neural systems of translation, which discard the…

Neural and Evolutionary Computing · Computer Science 2016-06-15 Ekaterina Vylomova , Trevor Cohn , Xuanli He , Gholamreza Haffari

Both research and commercial machine translation have so far neglected the importance of properly handling the spelling, lexical and grammar divergences occurring among language varieties. Notable cases are standard national varieties such…

Computation and Language · Computer Science 2018-11-06 Surafel M. Lakew , Aliia Erofeeva , Marcello Federico

For different language pairs, word-level neural machine translation (NMT) models with a fixed-size vocabulary suffer from the same problem of representing out-of-vocabulary (OOV) words. The common practice usually replaces all these rare or…

Computation and Language · Computer Science 2018-07-26 Yingting Wu , Hai Zhao

The neural language models (NLM) achieve strong generalization capability by learning the dense representation of words and using them to estimate probability distribution function. However, learning the representation of rare words is a…

Computation and Language · Computer Science 2021-01-14 Yerbolat Khassanov , Zhiping Zeng , Van Tung Pham , Haihua Xu , Eng Siong Chng

In this paper we combine the advantages of a model using global source sentence contexts, the Discriminative Word Lexicon, and neural networks. By using deep neural networks instead of the linear maximum entropy model in the Discriminative…

Computation and Language · Computer Science 2015-04-29 Thanh-Le Ha , Jan Niehues , Alex Waibel

Machine translation is a popular test bed for research in neural sequence-to-sequence models but despite much recent research, there is still a lack of understanding of these models. Practitioners report performance degradation with large…

Computation and Language · Computer Science 2018-08-14 Myle Ott , Michael Auli , David Grangier , Marc'Aurelio Ranzato

Large Language Models (LLMs) have recently revolutionized the NLP field, while they still fall short in some specific down-stream tasks. In the work, we focus on utilizing LLMs to perform machine translation, where we observe that two…

Computation and Language · Computer Science 2024-10-10 Weichuan Wang , Zhaoyi Li , Defu Lian , Chen Ma , Linqi Song , Ying Wei

Idioms are common in everyday language, but often pose a challenge to translators because their meanings do not follow from the meanings of their parts. Despite significant advances, machine translation systems still struggle to translate…

Computation and Language · Computer Science 2023-10-24 Emmy Liu , Aditi Chaudhary , Graham Neubig

Traditional neural machine translation is limited to the topmost encoder layer's context representation and cannot directly perceive the lower encoder layers. Existing solutions usually rely on the adjustment of network architecture, making…

Computation and Language · Computer Science 2020-11-04 Qiang Wang , Changliang Li , Yue Zhang , Tong Xiao , Jingbo Zhu

To improve the performance of Neural Machine Translation~(NMT) for low-resource languages~(LRL), one effective strategy is to leverage parallel data from a related high-resource language~(HRL). However, multilingual data has been found more…

Computation and Language · Computer Science 2020-10-06 Luyu Gao , Xinyi Wang , Graham Neubig

Past vocabulary learning techniques identify relevant vocabulary before training, relying on statistical and entropy-based assumptions that largely neglect the role of model training. Empirically, we observe that trained translation models…

Computation and Language · Computer Science 2025-04-02 Pin-Jie Lin , Ernie Chang , Yangyang Shi , Vikas Chandra

The transformer is a state-of-the-art neural translation model that uses attention to iteratively refine lexical representations with information drawn from the surrounding context. Lexical features are fed into the first layer and…

Computation and Language · Computer Science 2019-07-01 Denis Emelin , Ivan Titov , Rico Sennrich

Factored neural machine translation (FNMT) is founded on the idea of using the morphological and grammatical decomposition of the words (factors) at the output side of the neural network. This architecture addresses two well-known problems…

Computation and Language · Computer Science 2017-12-07 Mercedes García-Martínez , Loïc Barrault , Fethi Bougares

We tackle the problem of neural machine translation of mathematical formulae between ambiguous presentation languages and unambiguous content languages. Compared to neural machine translation on natural language, mathematical formulae have…

Computation and Language · Computer Science 2023-05-29 Felix Petersen , Moritz Schubotz , Andre Greiner-Petter , Bela Gipp